Bump sphinx-lint and fix unbalanced inline literal markup
blurb
-# sphinx-lint 0.6.2 yields many default role errors due to the new regular
-# expression used for default role detection, so we don't use the version
-# until the errors are fixed.
-sphinx-lint==0.6.5
+sphinx-lint==0.6.7
# The theme used by the documentation is stored separately, so we need
# to install that as well.
Python again uses C-style casts for most casting operations when compiled
with C++. This may trigger compiler warnings, if they are enabled with e.g.
-``-Wold-style-cast `` or ``-Wzero-as-null-pointer-constant`` options for ``g++``.
+``-Wold-style-cast`` or ``-Wzero-as-null-pointer-constant`` options for ``g++``.